<template>
    <div class="icons">
        <swiper :options="swiperOption">
             <swiper-slide v-for="(page,index) of pages" :key="index">
                <div class="icon" v-for="item of page" :key="item.id">
                    <div class="icon-img-box">
                        <img class="icon-img" :src="item.imgUrl">
                    </div>
                    <p class="icon-text">{{item.desc}}</p>
                </div>
            </swiper-slide>
        </swiper>
    </div>
</template> 

<script>
export default {
    name: 'HomeIcons',
    props: {
        list: Array
    },
    data () {
        return {
            swiperOption:{
                autoplay: false
            }
        }
    },
    computed: {
        pages () {
            const pages=[]
            this.list.forEach((item,index)=>{
                const page=Math.floor(index/8)
                if(!pages[page]){
                    pages[page]=[]
                }
                pages[page].push(item)
            })
            return pages
        }
    }
}
</script>

<style lang="stylus" scoped>
    @import '~@/assets/styles/varibles.styl'
    @import '~@/assets/styles/mixins.styl'
    .icons
        height: 0
        overflow: hidden
        padding-bottom: 50%
        margin-top: .1rem
        .icon
            overflow: hidden
            float: left
            position: relative
            width: 25%
            height: 0
            padding-bottom: 25%
            .icon-img-box
                position: absolute
                left: 0
                top: 0
                right: 0
                bottom: .44rem
                box-sizing: border-box
                padding .1rem
                .icon-img
                    display: block
                    margin: 0 auto
                    height: 100%
            .icon-text
                position: absolute
                left: 0
                right: 0
                bottom: 0
                height: .44rem
                line-height: .44rem
                text-align: center
                color: $darkTextColor
                ellipsis()
</style>
